* Grunting: A low, guttural sound often used during mating season.
* Sniffing: A high-pitched sound used to communicate with other rabbits.
* Thumping: They can thump their hind feet on the ground as a warning signal, especially when startled.
* Squeaking: Young cottontails make squeaking sounds to call for their mothers.
While they may also make other noises, these are the most common.